EP2177381A1 - Ensemble de clapets pour un système de suspension pneumatique - Google Patents

Ensemble de clapets pour un système de suspension pneumatique Download PDF

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Publication number
EP2177381A1
EP2177381A1 EP20090009462 EP09009462A EP2177381A1 EP 2177381 A1 EP2177381 A1 EP 2177381A1 EP 20090009462 EP20090009462 EP 20090009462 EP 09009462 A EP09009462 A EP 09009462A EP 2177381 A1 EP2177381 A1 EP 2177381A1
Authority
EP
European Patent Office
Prior art keywords
valve
compressed air
valve device
unlocking
manual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP20090009462
Other languages
German (de)
English (en)
Other versions
EP2177381B1 (fr
Inventor
Piotr Buczylko
Sven Gorczyca
Lukasz Mikolajczyk
Alexander Trambauer
Marcin Trela
Ulrich Weihe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZF CV Systems Hannover GmbH
Original Assignee
Wabco GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Application filed by Wabco GmbH filed Critical Wabco GmbH
Publication of EP2177381A1 publication Critical patent/EP2177381A1/fr
Application granted granted Critical
Publication of EP2177381B1 publication Critical patent/EP2177381B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
    • B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
    • B60G17/052—Pneumatic spring characteristics
    • B60G17/0523—Regulating distributors or valves for pneumatic springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2500/00—Indexing codes relating to the regulated action or device
    • B60G2500/20—Spring action or springs
    • B60G2500/202—Height or leveling valve for air-springs

Definitions

  • the electronic control device (5) is used for automatic, electronically controlled level control of the vehicle body.
  • a displacement sensor (10) is connected to the electronic control device (5), which is usually mounted on the vehicle frame, which is part of the vehicle body, and via a mechanical Sensierarm the respective distance to the chassis, d. H. to the axles of the vehicle, sensed.
  • two pressure sensors (11, 19) are connected to the electronic control device (5).
  • the pressure sensors (11, 19) are pneumatically connected to the lines (16, 17) and sense the pressure in the two compressed air circuits of the air suspension system.
  • the sensors (10, 11, 19) transmit the sensed information as electrical signals to the electronic control device (5), which processes these signals and generates therefrom corresponding drive signals for the solenoid valves (7, 8) according to predetermined algorithms.
  • the electronic control device (5) can be, for example, an ABS (Anti-lock Brake System) or EBS (Electronic Brake System) control unit.
  • the control unit (5) is then connected via electrical lines with rotational speed sensors, which are arranged in the vicinity of the wheels (4) and detect the rotational speeds of the wheels (4).
  • the control unit (5) evaluates these rotational speed signals.
  • valve seats facing the valve seats (34, 42, 35, 43) are connected via compressed air channels (50, 51, 52) with the Balgan gleich (15) of the valve device (6).
  • the chamber formed between the valve closing bodies (34, 42) is connected to the venting connection (12) of the valve device (6) via pressure medium channels provided in the valve device (6).
  • the chamber formed between the valve closing bodies (35, 43) is connected via further pressure medium channels to the pressure medium supply connection (18) of the valve device (6). Opening one of the valve closing bodies (34, 42) causes a reduction in pressure, the bellows connected to the terminal (15) due to an outflow of compressed air via the vent port (12) into the atmosphere.
  • the valve device (6) also has a manual operating element (9), which comprises an operating lever (20).
  • the operating lever (20) is rotatably connected to a in a bore of the valve means (6) arranged axis (71).
  • the axis (71) is rotatably connected via a key (102) with a spring-actuated restoring device.
  • the return means comprises a disc (101) which engages a spring (100).
  • the spring (100) is connected at its other end to the housing (62) of the valve device (6).
  • the restoring device (101, 100) effects an automatic resetting of the manual operating element (9) into a neutral position, in which the valve device (6) assumes the neutral position (19).
  • a locking device (90) which allows a locking of the axis (71) and thus of the manual operating element (9) in predetermined positions.
  • the latching device (90) has a latching ball (98) which is brought into abutment in a groove (99) of the pane (101). As a result of the engagement of the detent ball (98) in the groove (99) a rotational movement of the axis (71) is prevented.
  • a pressurizable with compressed air piston (91) is provided which is connected to the plunger (95) on the detent ball (98) facing away from. Pressurizing the piston (91) causes movement of the plunger (95) away from the detent ball (98) against the force of the spring (96). As a result, the latching action of the latching device (90) can be canceled and the axis (71) are released from rotational movement.
  • the pressurized air chamber (93) serving to pressurize the piston (91) is connected to a double check valve (82) via a compressed air channel (83).
  • the double check valve (82) is in turn connected via compressed air channels (80, 81) with the compressed air channels (66, 67) of the solenoid valves (7, 8) such that upon actuation of one of the solenoid valves (7, 8) of the piston (91) Compressed air is acted upon and consequently the locking action of the latching device (90) cancels.
  • a release of the latching action of the latching device (90) is made possible if at least one of the two solenoid valves (7, 8) is actuated.
  • the Fig. 5 shows a further embodiment of the valve device (6) according to the invention.
  • an arrangement of two pistons (91, 92) is provided, which are actuated via compressed air chambers (93, 97) with compressed air.
  • the compressed air chambers (93, 97) of the pistons (91, 92) are connected via pressure medium channels (80, 81) with the solenoid valves (7, 8) in the manner previously explained in connection.
  • a decoupling of the compressed air circuits of the solenoid valves (7, 8) is possible without a double check valve according to Fig. 4 is required. In this way, with less effort, namely while avoiding the double check valve (82), the function can be realized that already on actuation of one of the solenoid valves (7, 8), a cancellation of the locking action of the latching device (90).
  • Fig. 6 is an unlocking of the locking device by direct electrical loading of the coil (94) via an electrical line (110) possible.
  • the previously explained advantageous function that an unlocking of the latching device (90) takes place already upon actuation of only one of the solenoid valves (7, 8) can according to Fig. 6
  • a connection of the electrical line (110) via a first diode (113) with an electrical line (111) and a second diode (114) with a second electrical line (112) are made possible.
  • the electrical lines (111, 112) are used to connect the solenoid valves (7, 8) to the electronic control device (5).
  • the detent ball 98 is pressed by the spring 96 and the plunger 95 at least partially into the groove 99a, 99b and fixed there.
  • the plunger 95 can be moved against the force of the spring 96 in the axial direction of the axis 71 away, so that the detent ball 98 from the groove 99 a, 99 b emerges and a rotational movement of the Disc 101, the axis 71 and the operating lever 20 allows.
  • torsion spring 100 is present.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
EP09009462.4A 2008-10-14 2009-07-22 Ensemble de clapets pour un système de suspension pneumatique Active EP2177381B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810051203 DE102008051203A1 (de) 2008-10-14 2008-10-14 Ventileinrichtung für eine Luftfederungsanlage

Publications (2)

Publication Number Publication Date
EP2177381A1 true EP2177381A1 (fr) 2010-04-21
EP2177381B1 EP2177381B1 (fr) 2015-10-21

Family

ID=41278389

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09009462.4A Active EP2177381B1 (fr) 2008-10-14 2009-07-22 Ensemble de clapets pour un système de suspension pneumatique

Country Status (3)

Country Link
EP (1) EP2177381B1 (fr)
DE (1) DE102008051203A1 (fr)
ES (1) ES2558691T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011076304A1 (fr) * 2009-12-23 2011-06-30 Wabco Gmbh Dispositif de soupape pour système d'amortisseur pneumatique
EP2851222A3 (fr) * 2013-09-23 2015-04-01 Haldex Brake Products GmbH Ensemble de vanne équipée d'un mécanisme de levage et d'abaissement
EP3623182A1 (fr) 2018-09-11 2020-03-18 WABCO Europe BVBA Système de détection de position de poignée

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018131189A1 (de) 2018-12-06 2020-06-10 Wabco Gmbh Ventilanordnung

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039147A2 (fr) * 1999-03-24 2000-09-27 KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH Moyen pour l'actionnement commandé d'un membre de commutation d'un distributeur, surtout d'un distributeur de commutation pour conteneurs d'un camion
EP1266775A2 (fr) * 2001-06-16 2002-12-18 Haldex Brake Products GmbH Soupape pneumatique de commutation pour dispositfs de soulèvement ou d'abaissement de la carrosserie de véhicules à suspension pneumatique
EP1382469A2 (fr) * 2002-07-18 2004-01-21 Haldex Brake Products GmbH Electrovanne pour véhicule utilitaire à suspension pneumatique
DE102004035691A1 (de) 2003-11-19 2005-06-16 Wabco Gmbh & Co.Ohg Luftfederungseinrichtung für ein Fahrzeug
EP1712380A1 (fr) * 2005-04-16 2006-10-18 Haldex Brake Products GmbH Vanne de commutation pour soulever et baisser une carrosserie de véhicule
EP1826034A2 (fr) * 2006-02-22 2007-08-29 Haldex Brake Products GmbH Dispositif d'amortissement pneumatique pour véhicule automobile doté de soufflets
DE102007005980A1 (de) * 2007-02-07 2008-08-14 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung zur gesteuerten Betätigung eines Schaltorgans eines Ventils

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4120824C1 (fr) 1991-06-24 1992-06-17 Grau Gmbh, 6900 Heidelberg, De
DE102005017590B3 (de) 2005-04-16 2006-06-14 Haldex Brake Products Gmbh Umschaltventil für Anlagen mit einem Niveauregelventil zum gesteuerten Konstanthalten der Höhe eines Kraftfahrzeugs
DE102006006439B4 (de) 2006-02-13 2008-11-27 Wabco Gmbh Ventileinrichtung zur manuellen Veränderung der Niveaulage eines luftgefederten Fahrzeuges
DE102007005979A1 (de) 2007-02-07 2008-08-21 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Pneumatische Schaltventileinrichtung für luftgefederte Fahrzeuge mit mechanischer Rückstellung des Bedienelements

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1039147A2 (fr) * 1999-03-24 2000-09-27 KNORR-BREMSE SYSTEME FÜR NUTZFAHRZEUGE GmbH Moyen pour l'actionnement commandé d'un membre de commutation d'un distributeur, surtout d'un distributeur de commutation pour conteneurs d'un camion
EP1266775A2 (fr) * 2001-06-16 2002-12-18 Haldex Brake Products GmbH Soupape pneumatique de commutation pour dispositfs de soulèvement ou d'abaissement de la carrosserie de véhicules à suspension pneumatique
EP1382469A2 (fr) * 2002-07-18 2004-01-21 Haldex Brake Products GmbH Electrovanne pour véhicule utilitaire à suspension pneumatique
DE102004035691A1 (de) 2003-11-19 2005-06-16 Wabco Gmbh & Co.Ohg Luftfederungseinrichtung für ein Fahrzeug
EP1712380A1 (fr) * 2005-04-16 2006-10-18 Haldex Brake Products GmbH Vanne de commutation pour soulever et baisser une carrosserie de véhicule
EP1826034A2 (fr) * 2006-02-22 2007-08-29 Haldex Brake Products GmbH Dispositif d'amortissement pneumatique pour véhicule automobile doté de soufflets
DE102007005980A1 (de) * 2007-02-07 2008-08-14 Knorr-Bremse Systeme für Nutzfahrzeuge GmbH Vorrichtung zur gesteuerten Betätigung eines Schaltorgans eines Ventils

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011076304A1 (fr) * 2009-12-23 2011-06-30 Wabco Gmbh Dispositif de soupape pour système d'amortisseur pneumatique
EP2851222A3 (fr) * 2013-09-23 2015-04-01 Haldex Brake Products GmbH Ensemble de vanne équipée d'un mécanisme de levage et d'abaissement
EP3623182A1 (fr) 2018-09-11 2020-03-18 WABCO Europe BVBA Système de détection de position de poignée

Also Published As

Publication number Publication date
DE102008051203A1 (de) 2010-04-15
EP2177381B1 (fr) 2015-10-21
ES2558691T3 (es) 2016-02-08

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